Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6795429 | System and method for associating notes with a portable information device on a network telephony call | Guido M. Schuster, Ikhlaq S. Sidhu, Jacek A. Grabiec | 2004-09-21 |
| 6681252 | System and method for interconnecting portable information devices through a network based telecommunication system | Guido M. Schuster, Ikhlaq S. Sidhu, Frederick Dean | 2004-01-20 |
| 6577622 | System and method for using a portable information device to establish a conference call on a telephony network | Guido M. Schuster, Sagan S. Sidhu, Ikhlaq S. Sidhu | 2003-06-10 |